A cost-effective screen-printed electrochemical sensor enhanced with Printex L6 carbon and poly-L-cysteine for catechin detection in tea and water matrices - Oliveira, Igor G.S.; Gallina, Fernando C; Bimbi Junior, Fausto Eduardo; Santos, Anderson Martin dos; Lanza, Marcos Roberto de Vasconcelos; Barros, Willyam Róger Padilha (Microchemical Journal, 2025)